---
title: SDS - Syngenta Primo HG - 250801
canonical: https://fernland.com.au/documents/207/
dateModified: 2026-08-03 01:12:36
summary: Safety Data Sheet
type: sds
---

# SDS - Syngenta Primo HG - 250801

> Safety Data Sheet

Page 1 of 8 / Version 1.0
Date of Issue: 14 August 2025

# SAFETY DATA SHEET

## Section 1: Identification

**Product Identifier:** PRIMO HG Turf Growth Regulator
**Other Means of Identification:**
Proper Shipping Name: Environmentally Hazardous Substance, Liquid, N.O.S.
*Applicable only for marine and air transport*
Product code: A25249A
**Recommended Use:** Turf growth regulator
## Section 2: Hazards identification

**Classification of the Hazardous Chemical:**
Skin sensitisation: Category 1
Specific target organ toxicity (repeated exposure): Category 2
**Signal Word:** Warning
**Hazard Statement(s):**
H317 May cause an allergic skin reaction.
H373 May cause damage to the gastrointestinal tract through prolonged or repeated exposure.
**Precautionary statements:**
**Prevention:**
P260 Do not breathe mist, vapours or spray.
P272 Contaminated work clothing should not be allowed out of the workplace.
P280 Wear protective gloves.
**Response:**
P302 + P352 IF ON SKIN: Wash with plenty of soap and water.
P314 Get medical attention if you feel unwell.
P333+P313 If skin irritation or rash occurs: Get medical attention.
P362+P364 Take off contaminated clothing and wash before reuse.
**Disposal:**
P501 Dispose of contents/container to an approved waste disposal plant.
**Hazard Symbols:**
[Exclamation mark symbol, Health hazard symbol]

***

Syngenta Australia Pty Ltd Page 2 of 8
PRIMO HG Turf Growth Regulator 1 September 2025

## Section 3: Composition and information on ingredients

| MIXTURE | | |
| :--- | :--- | :--- |
| **Chemical Identity of Ingredients:** | **CAS No** | **Proportion (%w/w)** |
| Trinexapac-ethyl | 95266-40-3 | >= 10 - 480 min
Glove thickness: 0.5 mm
Remarks: The choice of an appropriate glove does not only depend on its material but also on other quality features and is different from one producer to the other. Please observe the instructions regarding permeability and breakthrough time which are provided by the supplier of the gloves. Also take into consideration the specific local conditions under which the product is used, such as the danger of cuts, abrasion, and the contact time. The break through time depends amongst other things on the material, the thickness and the type of glove and therefore has to be measured for each case. Gloves should be discarded and replaced if there is any indication of degradation or chemical breakthrough.
**Eye protection:** Eye protection such as protective glasses or goggles is recommended during use when the potential for inadvertent eye contact with the product may occur.
**Skin and body protection:** Protective clothing is not normally required when using this product unless prolonged exposure is likely to occur. Choose body protection in relation to its type, to the concentration and amount of dangerous substances, and to the specific work-place.
Remove and wash contaminated clothing before re-use.

## Section 9: Physical and chemical properties

**Appearance:** Clear yellow liquid
**Odour:** No odour
**pH:** 3.00-3.44 at 25°C
**Vapour Pressure:** Not available
**Vapour Density:** Not available
**Flash Point:** 94.4°C
**Upper and Lower Flammable (Explosive) Limits in Air:** Not available
**Auto Ignition Temperature:** Not available
**Min. Ignition energy:** Not available
**Boiling Point:** Not available
**Freezing/Melting Point:** Not available
**Solubility in water:** Disperses in water
**Specific gravity:** 0.99 at 25°C
**Density:** 0.99 g/cm³
**Explosive Properties:** Not explosive
**Oxidising Properties:** Not oxidising
**Combustibility:** Combustible liquid C1
**Corrosiveness:** Not available

***

Syngenta Australia Pty Ltd Page 5 of 8
PRIMO HG Turf Growth Regulator 1 September 2025

## Section 10: Stability and reactivity

**Reactivity:** No hazardous reactions by normal handling and storage.
**Chemical Stability:** Stable at normal ambient temperature and pressure.
**Possibility of Hazardous Reactions:** No hazardous reactions by normal handling and storage. Hazardous polymerisation will not occur.
**Conditions to Avoid:** No decomposition if used as directed.
**Incompatible Materials:** None known.
**Hazardous Decomposition Products:** Combustion may result in the release of carbon monoxide and carbon dioxide.

## Section 11: Toxicological information

**Health Effects from Likely Routes of Exposure:**
**Acute toxicity**
**Oral toxicity:**
Product: Acute oral LD50 (rat): >3,129 mg/kg
Trinexapac-ethyl: Acute oral LD50 (rat): 4,460 mg/kg
**Dermal toxicity:**
Product: Acute dermal LD50 (rat): >5,000 mg/kg
Trinexapac-ethyl: Acute dermal LD50 (rat): >4,000 mg/kg
**Inhalation:**
Product: Acute inhalation LC50 (rat), 4h: >2.12 mg/L
Trinexapac-ethyl: Acute inhalation LC50 (rat), 4h: >5.69 mg/L
**Skin irritation:** Not a skin irritant.
**Eye irritation:** Minimally irritating.
**Sensitisation:** Product not considered a skin sensitiser.
Trinexapac-ethyl: Did not cause skin sensitisation (mouse, local lymph node assay).
**Chronic toxicity**
**Mutagenicity:** Trinexapac-ethyl did not show mutagenic or genotoxic effects in animal experiments.
**Carcinogenicity:** Trinexapac-ethyl did not show carcinogenic effects in animal experiments that were relevant to human exposure.
**Reproductive and Developmental toxicity:** Trinexapac-ethyl did not show reproductive or developmental toxicity effects in animal experiments that were relevant to human exposure..

***

Syngenta Australia Pty Ltd Page 6 of 8
PRIMO HG Turf Growth Regulator 1 September 2025

**Specific Target Organ Toxicity (STOT) - single exposure:** The substance or mixture is not classified as specific target organ toxicant, single exposure.
**Specific Target Organ Toxicity (STOT) - repeated exposure:** The substance or mixture is classified as specific target organ toxicant, repeated exposure, category 2. May cause damage to the gastrointestinal tract through prolonged or repeated exposure.
**Aspiration hazard:** Not an aspiration hazard.

## Section 12: Ecological information

**Ecotoxicity**
**Toxicity to fish:** Trinexapac-ethyl: Oncorhynchus mykiss (rainbow trout): LC50: 68 mg/L, 96 h
**Toxicity to daphnia and other aquatic invertebrates:** Trinexapac-ethyl: Americamysis: LC50: 6.5 mg/L, 96 h
**Toxicity to algae:** Trinexapac-ethyl: Raphidocelis subcapitata (freshwater green alga): ErC50: 24.5 mg/L, 96 h
Myriophyllum spicatum (Eurasian watermilfoil)): ErC50: 1.2 mg/L, 14 d
**Persistence and Degradability:**
Trinexapac-ethyl:
Water: Degradation half life: 3.9 - 5.5 d
Remarks: Product is not persistent.
Soil: Dissipation time: < 0.2 d
Percentage dissipation: 50 % (DT50)
Remarks: Product is not persistent.
**Mobility in soil:** Trinexapac-ethyl: Moderately mobile in soils.
**Bioaccumulative Potential:** Trinexapac-ethyl: Does not bioaccumulate.
Partition coefficient (n-octanol/water): log Pow: -2.1 (25°C)
**Other adverse effects:**
**Results of PBT and vPvB assessment (product):** This substance is not considered to be persistent, bioaccumulating and toxic (PBT). This substance is not considered to be very persistent and very bioaccumulating (vPvB).

## Section 13: Disposal considerations

**Disposal Methods:**
**Waste from residues:** Do not contaminate ponds, waterways or ditches with chemical or used container.
Do not dispose of waste into sewer.
Where possible recycling is preferred to disposal or incineration.
If recycling is not practicable, dispose of in compliance with local regulations.
**Contaminated packaging:** Dispose of empty container by wrapping in paper, placing in a plastic bag and putting in garbage.

***

Syngenta Australia Pty Ltd Page 7 of 8
PRIMO HG Turf Growth Regulator 1 September 2025

## Section 14: Transport information

**LAND TRANSPORT ADG**
Environmentally Hazardous Substances meeting the descriptions of UN 3077 or UN 3082 are not subject to the Australian Code for the Transport of Dangerous Goods (ADG). This applies when transported by road or rail in packagings that do not incorporate a receptacle exceeding 500 kg(L) or IBCs per ADG Special Provision AU01.
**UN Number:** 3082
**UN Proper Shipping Name:** Environmentally Hazardous Substance, Liquid, N.O.S.
**Transport Hazard Class:** 9
**Subsidiary Risk:** None allocated
**Packing Group:** III
**Special Precautions for User:** None allocated
**Hazchem or Emergency Action Code:** •3Z

**SEA TRANSPORT IMDG**
**UN Number:** 3082
**UN Proper Shipping Name:** Environmentally Hazardous Substance, Liquid, N.O.S.
**Transport Hazard Class:** 9
**Subsidiary Risk:** None allocated
**Packing Group:** III
**EmS Code:** F-A, S-F
**Environmental hazards for Transport Purposes:** Marine pollutant

**AIR TRANSPORT IATA - DGR**
**UN Number:** 3082
**UN Proper Shipping Name:** Environmentally Hazardous Substance, Liquid, N.O.S.
**Transport Hazard Class:** 9
**Subsidiary Risk:** None allocated
**Packing Group:** III
**Packing instruction (cargo aircraft):** 964
**Packing instruction (passenger aircraft):** Y964
**Environmentally hazardous:** Yes

## Section 15: Regulatory information

**APVMA Product Number:** 94862
**Poisons Schedule (SUSMP):** 5

## Section 16: Any other relevant information

**Date of preparation or last revision:** 1 September 2025
**Source of Data:** The information provided in this SDS is sourced from Syngenta internal studies which have been conducted according to Regulatory requirements including OECD and CIPAC Guidelines and EC Directives. A comprehensive package of toxicological and environmental data for the active ingredients of this product has been submitted to the government health and environment authorities and has been evaluated by expert toxicologists and environmental scientists.
**Note:** Use this product in accordance with the container label directions
**CONTACT POINT:** Regulatory & Stewardship Manager, Syngenta Australia Pty Ltd

***

Syngenta Australia Pty Ltd Page 8 of 8
PRIMO HG Turf Growth Regulator 1 September 2025

**24 HOURS EMERGENCY CONTACT: **
This Safety Data Sheet summarises our best knowledge of the health and safety hazard information of the product and how to safely handle and use the product in the workplace. Each user should read this SDS and consider the information in the context of how the product will be handled and used in the workplace including in conjunction with other products.
If clarification or further information is needed to ensure that an appropriate risk assessment can be made, the user should contact this company.

**DISCLAIMER**
This product complies with the specifications in its statutory registration. Implied terms and warranties are excluded. Syngenta’s liability for breach of the express or any non-excludable implied warranty is limited to product replacement or purchase price refund. The purchaser must determine suitability for intended purpose and take all proper precautions in the handling, storage and use of the product including those on the label and/or safety data sheet failing which Syngenta shall have no liability.
® Registered trademark of a Syngenta Group Company